

package com.hazelcast.client.impl.protocol.codec.custom;

import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.impl.protocol.Generated;
import com.hazelcast.client.impl.protocol.codec.builtin.ByteArrayCodec;

import static com.hazelcast.client.impl.protocol.ClientMessage.BEGIN_FRAME;
import static com.hazelcast.client.impl.protocol.ClientMessage.END_FRAME;
import static com.hazelcast.client.impl.protocol.codec.builtin.CodecUtil.fastForwardToEndFrame;
import static com.hazelcast.client.impl.protocol.codec.builtin.FixedSizeTypesCodec.*;

@SuppressWarnings("unused")
@Generated("c879d992bb6ae1a6c436af2e66eb686c")
public final class XidCodec {
    private static final int FORMAT_ID_FIELD_OFFSET = 0;
    private static final int INITIAL_FRAME_SIZE = FORMAT_ID_FIELD_OFFSET + INT_SIZE_IN_BYTES;

    private XidCodec() {
    }

    public static void encode(ClientMessage clientMessage, javax.transaction.xa.Xid xid) {
        clientMessage.add(BEGIN_FRAME.copy());

        ClientMessage.Frame initialFrame = new ClientMessage.Frame(new byte[INITIAL_FRAME_SIZE]);
        encodeInt(initialFrame.content, FORMAT_ID_FIELD_OFFSET, xid.getFormatId());
        clientMessage.add(initialFrame);

        ByteArrayCodec.encode(clientMessage, xid.getGlobalTransactionId());
        ByteArrayCodec.encode(clientMessage, xid.getBranchQualifier());

        clientMessage.add(END_FRAME.copy());
    }

    public static com.hazelcast.transaction.impl.xa.SerializableXID decode(ClientMessage.ForwardFrameIterator iterator) {
        // begin frame
        iterator.next();

        ClientMessage.Frame initialFrame = iterator.next();
        int formatId = decodeInt(initialFrame.content, FORMAT_ID_FIELD_OFFSET);

        byte[] globalTransactionId = ByteArrayCodec.decode(iterator);
        byte[] branchQualifier = ByteArrayCodec.decode(iterator);

        fastForwardToEndFrame(iterator);

        return new com.hazelcast.transaction.impl.xa.SerializableXID(formatId, globalTransactionId, branchQualifier);
    }
}
